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67244408630 = 2572672048261
BaseRepresentation
bin111110101000000101…
…000011111100110110
320102120101012220010222
4332220011003330312
52100204032034010
650520333014342
74600244020400
oct765005037466
9212511186128
1067244408630
1126577796533
12110480243b2
136458598809
14337ca71b70
151b38749355
hexfa8143f36

67244408630 has 48 divisors (see below), whose sum is σ = 142903143216. Its totient is φ = 22711106880.

The previous prime is 67244408611. The next prime is 67244408669. The reversal of 67244408630 is 3680444276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 991301 + ... + 1056960.

It is an arithmetic number, because the mean of its divisors is an integer number (2977148817).

Almost surely, 267244408630 is an apocalyptic number.

67244408630 is an abundant number, since it is smaller than the sum of its proper divisors (75658734586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67244408630 is a wasteful number, since it uses less digits than its factorization.

67244408630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048349 (or 2048342 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 67244408630 in words is "sixty-seven billion, two hundred forty-four million, four hundred eight thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 67 70 98 134 245 335 469 490 670 938 2345 3283 4690 6566 16415 32830 2048261 4096522 10241305 14337827 20482610 28675654 71689135 100364789 137233487 143378270 200729578 274466974 501823945 686167435 960634409 1003647890 1372334870 1921268818 4803172045 6724440863 9606344090 13448881726 33622204315 67244408630